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%I #2 Mar 31 2012 10:28:53
%S 1,2,2,3,4,3,2,7,7,1,5,9,14,8,5,6,14,23,22,13,6,7,20,37,45,35,19,7,2,
%T 27,57,82,80,54,26,2,3,29,84,139,162,134,80,28,1,10,32,113,223,301,
%U 296,214,108,29,10,11,42,145,336,524,597,510,322,137,39,11
%N Triangle read by rows: rad(n) along left edge (n, 1) and core(n) along right edge (n, n), with (n, k) = (n - 1, k - 1) + (n - 1, k) for 1 < k < n when n > 2.
%Y Cf. A007913, A007947
%K easy,nonn,tabl
%O 1,2
%A _Reikku Kulon_, Sep 24 2008
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